Learn how to tell the difference between frames, keyframes, and blank keyframes by using visual cues on the Timeline. Learn what each type of frame in the Timeline indicates about the contents of the Stage.

Learn to use the library to organize the reusable assets in your file. Preview, sort, and organize assets into folders in the Library panel. Switch between the libraries of open files and re-use assets between files.

Layers allow you to organize the contents of the Stage from front to back. Objects on a layer can be shown, hidden, edited, or moved at the same time. Move objects into layers by using the Distribute To Layers command.

Flash CS5 introduces a new text layout engine, the Text Layout Framework (TLF), which enables highly flexible and customizable text display. Set up a document to use the TLF engine. Learn about the three different types of TLF text.

Place one symbol inside another by using a technique in Flash called nesting. Learn to create nested symbols, drag instances from the library, edit artwork in Symbol Editing mode, and use the breadcrumb trail to navigate back to the main Timeline.